{
  "baseline": {
    "age_matched": {
      "buckets_used": 4,
      "gap": 0.11304696056838182,
      "tagged_lines_covered": 1.0,
      "tagged_rate": 0.628749828150256,
      "untagged_rate": 0.5157028675818742
    },
    "by_age": [
      {
        "from_days": 0,
        "tagged": {
          "cap_lines": 3864,
          "capped_survival_rate": 0.814933986246214,
          "commits": 121,
          "introduced": 110758,
          "largest_commit_share": 0.10481409920728074,
          "median_survival": 0.8651930805521579,
          "survival_rate": 0.8279492226295166,
          "surviving": 91702
        },
        "to_days": 30,
        "untagged": {
          "cap_lines": 2862,
          "capped_survival_rate": 0.8093583176116121,
          "commits": 475,
          "introduced": 310160,
          "largest_commit_share": 0.05118326025277276,
          "median_survival": 0.8624504119621605,
          "survival_rate": 0.8423007480010317,
          "surviving": 261248
        }
      },
      {
        "from_days": 30,
        "tagged": {
          "cap_lines": 7509,
          "capped_survival_rate": 0.7324040994168545,
          "commits": 122,
          "introduced": 272542,
          "largest_commit_share": 0.3925046414864498,
          "median_survival": 0.790449148167269,
          "survival_rate": 0.7019138334642,
          "surviving": 191301
        },
        "to_days": 90,
        "untagged": {
          "cap_lines": 3503,
          "capped_survival_rate": 0.6966974353667602,
          "commits": 1125,
          "introduced": 1076271,
          "largest_commit_share": 0.06664771233267458,
          "median_survival": 0.7209536988986911,
          "survival_rate": 0.7244522987240203,
          "surviving": 779707
        }
      },
      {
        "from_days": 90,
        "tagged": {
          "cap_lines": 858,
          "capped_survival_rate": 0.13055548282156587,
          "commits": 24,
          "introduced": 11242,
          "largest_commit_share": 0.7748621241771927,
          "median_survival": 0.0,
          "survival_rate": 0.1325386941825298,
          "surviving": 1490
        },
        "to_days": 180,
        "untagged": {
          "cap_lines": 1512,
          "capped_survival_rate": 0.4309029337468435,
          "commits": 992,
          "introduced": 519253,
          "largest_commit_share": 0.3754932566590853,
          "median_survival": 0.27785737026424706,
          "survival_rate": 0.47281383063747345,
          "surviving": 245510
        }
      },
      {
        "from_days": 180,
        "tagged": {
          "cap_lines": 845,
          "capped_survival_rate": 0.2833678651492965,
          "commits": 1135,
          "introduced": 354659,
          "largest_commit_share": 0.34785526378859694,
          "median_survival": 0.0,
          "survival_rate": 0.5260461457343533,
          "surviving": 186567
        },
        "to_days": 365,
        "untagged": {
          "cap_lines": 1080,
          "capped_survival_rate": 0.22951456517318347,
          "commits": 2963,
          "introduced": 785202,
          "largest_commit_share": 0.03150781582318945,
          "median_survival": 0.004201680672268907,
          "survival_rate": 0.2546516692519887,
          "surviving": 199953
        }
      },
      {
        "from_days": 365,
        "tagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        },
        "to_days": 730,
        "untagged": {
          "cap_lines": 673,
          "capped_survival_rate": 0.10521171744591973,
          "commits": 2641,
          "introduced": 818820,
          "largest_commit_share": 0.1381829950416453,
          "median_survival": 0.0,
          "survival_rate": 0.3321890036882343,
          "surviving": 272003
        }
      },
      {
        "from_days": 730,
        "tagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        },
        "to_days": null,
        "untagged": {
          "cap_lines": null,
          "capped_survival_rate": null,
          "commits": 0,
          "introduced": 0,
          "largest_commit_share": null,
          "median_survival": null,
          "survival_rate": null,
          "surviving": 0
        }
      }
    ],
    "oldest_surviving": {
      "age_days": 658,
      "commits_before": 0,
      "date": "2024-12-09",
      "introduced_before": 0,
      "tagged_commits_before": 0,
      "tagged_introduced_before": 0
    },
    "untagged": {
      "cap_lines": 1313,
      "capped_survival_rate": 0.3905138142134665,
      "commits": 8196,
      "introduced": 3509706,
      "largest_commit_share": 0.0555533711370696,
      "median_survival": 0.01639344262295082,
      "survival_rate": 0.5010166093684201,
      "surviving": 1758421
    }
  },
  "by_agent": {
    "claude-code": {
      "cap_lines": 2899,
      "capped_survival_rate": 0.8363307595043084,
      "commits": 31,
      "introduced": 20170,
      "largest_commit_share": 0.5755577590480913,
      "median_survival": 0.6872309899569584,
      "survival_rate": 0.8936539414972732,
      "surviving": 18025
    },
    "cursor": {
      "cap_lines": 4239,
      "capped_survival_rate": 0.6790407587995595,
      "commits": 194,
      "introduced": 450006,
      "largest_commit_share": 0.2741519001968863,
      "median_survival": 0.7431645002241147,
      "survival_rate": 0.7689408585663302,
      "surviving": 346028
    },
    "devin": {
      "cap_lines": 888,
      "capped_survival_rate": 0.3413774626374535,
      "commits": 1177,
      "introduced": 279025,
      "largest_commit_share": 0.03199713287339844,
      "median_survival": 0.005479452054794521,
      "survival_rate": 0.3835032703162799,
      "surviving": 107007
    }
  },
  "coverage": {
    "blame_flags": [
      "-w",
      "-M",
      "-C"
    ],
    "ignore_revs_file": false,
    "method": "v3",
    "sample_floor": 5,
    "shallow": false,
    "small_sample": false
  },
  "method": "v3",
  "probable": {
    "cap_lines": null,
    "capped_survival_rate": null,
    "commits": 0,
    "introduced": 0,
    "largest_commit_share": null,
    "median_survival": null,
    "survival_rate": null,
    "surviving": 0
  },
  "repository": {
    "head": "880ea14ce71acf347ca989c415d0f1964ad9da3b",
    "origin": "https://github.com/fastrepl/anarlog"
  },
  "total_commits": 9598,
  "verified": {
    "cap_lines": 1272,
    "capped_survival_rate": 0.44338176804733176,
    "commits": 1402,
    "introduced": 749201,
    "largest_commit_share": 0.16466876045280238,
    "median_survival": 0.09090909090909091,
    "survival_rate": 0.628749828150256,
    "surviving": 471060
  }
}